3
Li
Lithium
6.941
2 1
4
Be
Berylliun
9.012182
2 2
11
Na
Sodium
22.989770
2 8 1
12
Mg
Magnesium
24.3050
2 8 1
5
B
Boron
10.811
2 3
6
C
Carbon
12.0107
2 4
7
N
Nitrogen
14.00674
2 5
8
O
Oxygen
15.9994
2 6
9
F
Fluorine
18.9984032
2 7
10
Ne
Neon
20.1797
2 9
13
Al
Aluminum
26.981538
2 8 3

18
Ar
Argon
39.948
2 8 8
21
Sc
Scandium
44.955910
2 8 9 2
22
Ti
Titanium
47.867
2 8 10 2
23
V
Vanacium
50.9415
2 8 11 2
24
Cr
Chromium
51.9961
2 8 13 1
25
Mn
Manganese
54.938049
2 8 13 2
26
Fe
Iron
55.8457
2 8 14 2
27
Co
Cobalt
58.933200
2 8 15 2
28
Ni
Nickel
58.6934
2 8 16 2
29
Cu
Copper
63.546
2 8 18 1
30
Zn
Zinc
65.409
2 8 18 2
31
As
Arsenic
74.92160
2 8 18 5
32
Ge
Germanium
74.92160
2 8 18 4
33
As
Arsenic
74.92160
2 8 18 5
34
Se
Selenium
78.96
2 8 18 6
35
Br
Bromine
126.90447
2 8 18 7
36
Kr
Krypton
83.798
2 8 18 8
37
Rb
Rubidium
85.4678
2 8 18 8 1
38
Sr
Strontium
87.62
2 8 18 8 2
39
Y
Yttrium
88.90585
2 8 18 9 2
40
Zr
Zirconium
91.224
2 8 18 10 2
41
Nb
Niobium
92.90638
2 8 18 12 1
42
Mo
Molybdenum
95.95
2 8 18 13 1
43
Tc
Technetium
(98)
2 8 18 13 2
44
Ru
Ruthenium
101.07
2 8 18 15 1
45
Rh
Rhodium
102.90550
2 8 18 16 1
46
Pd
Palladium
106.42
2 8 18 18 0
47
Ag
Silver
107.8682
2 8 18 18 1
48
Cd
Cadmium
112.411
2 8 18 18 2
49
In
Indium
114.818
2 8 18 18 3
50
Sn
Tin
118.710
2 8 18 18 4
51
Sb
Antmony
121.760
2 8 18 18 5
52
Te
Tellurium
127.60
2 8 18 18 6
53
I
Iodine
126.90447
2 8 18 18 7
54
Xe
Xenon
131.293
2 8 18 18 8
55
Cs
Cselium
132.90545
2 8 18 18 8 1
56
Ba
Barlium
137.327
2 8 18 18 8 2
72
Hf
Hafnium
178.49
2 8 18 32 10 2
73
Ta
Tantalum
180.9479
2 8 18 32 11 2
74
W
Tungsten
183.84
2 8 18 32 12 2
75
Re
Rhenium
186.2073
2 8 18 32 13 2
76
Os
Osmium
190.23
2 8 18 32 14 2
77
Ir
Iridium
192.217
2 8 18 32 15 2
78
Pt
Platinum
195.078
2 8 18 32 17 2
79
Au
Gold
196.96655
2 8 18 32 18 1
80
Hg
Mercury
200.59
2 8 18 32 18 2
81
Tl
Thallium
(204.3833)
2 8 18 32 18 3
82
Pb
Lead
(207.2)
2 8 18 32 18 4
83
Bi
Bismuth
208.98038
2 8 18 32 18 5
84
Po
Polonium
(219)
2 8 18 32 18 6
85
At
Astatine
(210)
2 8 18 32 18 7
86
Rn
Radon
(222)
2 8 18 32 18 8
87
Fr
Francium
(223)
2 8 18 32 32 18 2
88
Ra
Radium
(226)
2 8 18 32 18 8 2
104
Rf
Rutherfordium
(261)
2 8 18 32 32 10 2
105
Db
Dubnium
(262)
2 8 18 32 32 11 2
106
Sg
Seaborgium
(266)
2 8 18 32 32 12 2
107
Bh
Bohrium
(264)
2 8 18 32 32 13 2
108
Hs
Hassium
(269)
2 8 18 32 32 14 2
109
Mt
Meitnerium
(268)
2 8 18 32 32 15 2
110
Ds
Darmstadium
(271)
2 8 18 32 32 17 1
111
Rg
Roentgenium
(272)
2 8 18 32 32 18 1
112
Uub
Ununbium
(285)
2 8 18 32 32 18 2
113
Uut
Ununtrium
(284)
114
Uuq
Ununquadium
(288)
115
Uup
Ununpentium
(289)
116
Uuh
Ununhexium
(292)
117
Uus
Ununseptium
118
Uuo
Ununoctium
89
Ac
Actinium
(227)
2 8 18 32 18 9 2
90
Th
Thorium
232.0381
2 8 18 32 18 10 2
91
Pa
Protactinium
231.03588
2 8 18 32 20 9 2
92
U
Uranium
238.02891
2 8 18 32 21 9 2
93
Np
Neptunium
(237)
2 8 18 32 22 9 2
94
Pu
Plutonium
(244)
2 8 18 32 24 8 2
95
Am
Americium
(243)
2 8 18 32 25 8 2
96
Cm
Curium
(247)
2 8 18 32 25 9 2
97
Bk
Berkelium
(247)
2 8 18 32 27 8 2
98
Cf
Californium
(251)
2 8 18 32 28 8 2
99
Es
Einsteinium
(257)
2 8 18 32 29 8 2
100
Fm
Fermium
(257)
2 8 18 32 32 8 2
101
Md
Mendelevium
(258)
2 8 18 32 32 8 2
102
No
Nobelium
(259)
2 8 18 32 32 8 2
103
Lr
Lawrencium
(262)
2 8 18 32 32 9 2